表面粗糙度样块

The World Health Organization is closely monitoring the swine flu outbreaks in Mexico and the US, saying they have pandemic potential. The Centers for Disease Control and Prevention says there are now 11 confirmed cases of swine flu in the US: seven

发表于:2018-12-02 / 阅读(185) / 评论(0) 分类 2009年NPR美国国家公共电台4月

He published journals and identified the remains of a massive temple dedicated to the God Amon. As Montet's work progressed, his fame and reputation spread across the world. The more his teams excavated, the more statues and obelisks of Ramesses the

发表于:2018-12-05 / 阅读(352) / 评论(0) 分类 遗失的法老城市

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Nothing says summer like ants. Theyre at your picnics, on your porch, why theres one crawling up your leg right now. Well, now its your chance to turn the

发表于:2018-12-24 / 阅读(264) / 评论(0) 分类 Scientific American(七)月

Jeanne Baret was passionate about science, so passionate that in the 1760s the French women disguised herself as a man. She hide her true identity to accompany her lover, Bach Philibert Commerson on the first friendship to sail around the world. At t

发表于:2018-12-24 / 阅读(256) / 评论(0) 分类 Scientific American(一)月

This is Scientific American's 60-second Science. I'm Karen Hopkin. If you ever got picked on in the schoolyard, you might have wished for some sort of superpower, like unbeatable speed or maybe just the ability to completely disappear. Now scientists

发表于:2018-12-24 / 阅读(189) / 评论(0) 分类 Scientific American(五)月

(WA) I was really glad when your club invited me to share my coin collection. It's been my passion since I collected my first Lincoln cent in 1971; that's the current penny with Abraham Lincoln's image. Just a little history before I start in on my

发表于:2018-12-30 / 阅读(227) / 评论(0) 分类 托福听力短文

(woman) We've just seen two contemporary large birds that cannot fly: the emu and the ostrich. Over here is an interesting specimen from the past. This stuffed animal is not the giant penguin it appears to be, but an auk. This particular kind of auk

发表于:2018-12-30 / 阅读(168) / 评论(0) 分类 托福听力短文

地道美语听力播客English as a Second Language Podcast (ESLPod),是一家位于美国加州洛杉矶的英语教育研究机构推出的英文听力会话,于2005年7月23日首播, 主播Dr. Jeff McQuillan为南加州大学的语言学博士

发表于:2019-01-01 / 阅读(199) / 评论(0) 分类 地道美语播客

Any school kid can tell you: nerds are not usually the most athletic specimens. But a new study suggests that young men who are physically fit tend to be more intelligent. The results appear in the Proceedings of the National Academy of Sciences. Ani

发表于:2019-01-08 / 阅读(191) / 评论(0) 分类 Scientific American(十二)月

Screams Have Special Place in Brain 尖叫声在大脑中会有特殊的位置 From VOA Learning English, this is the Health Lifestyle report. Have you ever thought about screaming? A blood-curdling scream is a natural reaction to sudden, extreme fri

发表于:2019-01-12 / 阅读(173) / 评论(0) 分类 2015年VOA慢速英语(八)月

The National Oceanic and Atmospheric Administration (NOAA) confirms that some of the oil escaping from that ruptured well in the Gulf of Mexico is staying beneath the surface, raising new environmental concerns about the disaster. BP says there is no

发表于:2019-01-30 / 阅读(193) / 评论(0) 分类 VOA标准英语2010年(六)月

Climate change negotiators from 173 countries have agreed on an agenda after days of bickering over the scope of talks left little time for substantive discussions. The disagreement highlighted deep divisions between developing and rich countries on

发表于:2019-01-30 / 阅读(195) / 评论(0) 分类 英语新闻

Let's face it: for most of us, job hunting is a means to an end. Very seldom do you meet anyone who claims to enjoy the process for itself (and when you do, they're generally such wildly extroverted people that they're fairly rare specimens of humani

发表于:2019-02-06 / 阅读(168) / 评论(0) 分类 阅读空间

Marit Larsen 从那个红遍全球的少女组合M2M里走出来的Marit Larsen并没延续M2M的流行摇滚,而是选择了清澈的民谣曲风,用她时而俏皮时而的甜蜜的嗓音来吟唱她自己写的小曲儿,带给听者如沐春风的清新感觉。 中英歌词: It's such a funny sensation to be so happy that

发表于:2019-02-06 / 阅读(216) / 评论(0) 分类 音乐咖啡厅

Three O' Cat Is Still a Game/没有我世界照常运转Lillian Bueno Mccue/ What do I believe? What laws do I live by? There are so many answers - work, beauty, truth, love - and I hope I do live by them. 什么是我所信仰的?什么是我生活的

发表于:2019-02-07 / 阅读(168) / 评论(0) 分类 实用英语

I mention all this to explain why on a gray day in February I went to the Natural History Museum in London to meet a cheerful, vaguely rumpled, very likeable paleontologist named Richard Fortey. 我提这一切,是为了解释为什么我在阴沉沉

发表于:2019-02-17 / 阅读(220) / 评论(0) 分类 万物简史

LOS ANGELES, June 18 (Xinhua) -- Microsoft Corp. unveiled Monday a family of tablets dubbed Surface, built on Windows 8, at an event in Los Angeles. Microsoft Chief Executive Steve Ballmer introduced the company's Surface family of tablets. The devic

发表于:2019-02-17 / 阅读(192) / 评论(0) 分类 英语新闻

Science and technology 科学技术 Forensic zoology 法医动物学 The elephant in the room 房间里的大象保护大象,刻不容缓! Dating ivory has just become easier. Poachers beware 确定象牙年代已变得更容易了,偷猎者们要

发表于:2019-02-24 / 阅读(367) / 评论(0) 分类 经济学人科技系列

GRE改革之后,新GRE词汇量减少20%,但在减少的同时,新GRE对词汇的考察也加大了一定的难度。新GRE词汇是整个考试的基础部分,具有重要地位。以下是2012新GRE词汇:asperity,希望能帮助各位考

发表于:2019-02-25 / 阅读(186) / 评论(0) 分类 GRE英语

Disputes and reorderings of much the same type can be found in all the other realms of the living, 同样的争吵,同样的重新分类,也发生在所有别的生物领域, so keeping an overall tally is not nearly as straightforward a matter

发表于:2019-03-17 / 阅读(456) / 评论(0) 分类 万物简史
学英语单词
alignment nomogram
Alstrom-Hallgren syndrome
amino-deoxykanamycin
anthozanthin
anticipated systole
apprised
area eruption
Asebu
baggingly
balductums
Bear-Leader
benzosxy
blinking device
burnishing shot blast
Bégon
capitium
Carmelites
carpenter
casimcea r.
chainwise equivalence
chicken heads
chimney oven stack
clocks in
club music
co-inheritance
coagulanting sedimentation
coaming deck barge
communicate
curved shockwave
Dexaminidae
e-governance
engine room log
etching powder
ethnoterritorially
exploitees
family labridaes
fixed image graphics
gayphobic
general-purpose grease
gentleman's bet
GLIDE number
guiding fire to origin
Harpers
horse-shoe gage
Hyacide
jumprope
Kegon
Lambton
loaves of bread
machinery goods
mathurs
Mekon
Merry Old Soul
metaplax elegans
modified product
moving-target indicator
nodules of Arantius
oil pressure regulating valve
onthophagus (onthophagus) hastifer
ostrager
paediatrist
pharisee
phenylmercury borate
photomicrographed
phrasemonger
Pilenga
plasma tail of comet
Please use other doors
pneumonoultramicroscopicsilicovolcanoconioses
polticos
prayer mats
predicative case
proportional taxation
propoxylate
prototypes
Renoiresque
rotating platinum electrode
screened ballast
sealing plug
sec.-butyl chloride
secretivenesses
sfn
sink in someone's estimation
soldure
solid level controller
stroke belt
sun's motion
supan
superconducting magnetic energy storage
telomitic
thelarche
time varying system
Toba Inlet
transcontinental aviation
tsukemono
unattackable
undrained trench
ungeared engine
Ust-Luga
volumenometer
windings
zoanthodeme